Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Millions	6 Months Ended
	Dec. 31, 2019	Jun. 30, 2019
Indefinite-lived Intangible Assets [Line Items]
Net Intangible	$ 22	$ 22
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	5,826	5,836
Accumulated Amortization	2,681	2,428
Net Intangible	$ 3,145	3,408
Weighted- Average Remaining Amortization Period (Years)	12 years
Gross Intangible, Total other intangible assets	$ 5,848	5,858
Net Intangible, Total other intangible assets	3,167	3,430
IPR&D, trademarks and other
Indefinite-lived Intangible Assets [Line Items]
Net Intangible	22	22
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	3,550	3,562
Accumulated Amortization	1,670	1,517
Net Intangible	$ 1,880	2,045
Weighted- Average Remaining Amortization Period (Years)	13 years
Trademarks, trade names and patents
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	$ 673	672
Accumulated Amortization	318	295
Net Intangible	$ 355	377
Weighted- Average Remaining Amortization Period (Years)	13 years
Developed technology and other
Finite-Lived Intangible Assets [Line Items]
Gross Intangible	$ 1,603	1,602
Accumulated Amortization	693	616
Net Intangible	$ 910	$ 986
Weighted- Average Remaining Amortization Period (Years)	11 years